Study aim: The effect of herbal drugs (Echinacea and Ginger) on Improvement of clinical symptoms and hospitalizations in suspected COVID-19 outpatient cases Design: Controlled clinical trial with parallel group, single-blind, randomized, Settings and conduct: This study will be conducted at the Mostafa Khomeini Comprehensive Health Center affiliated with Saveh University of Medical Sciences. In addition to standard treatment, 50 outpatients with suspected Qovid 19 outpatient treatment receive oral herbal remedies (echinacea and ginger) orally for 7 days. Fifty outpatients with suspected Qovid 19 control groups receive only standard treatment. Participants/Inclusion and exclusion criteria: Inclusion criteria suspected COVID-19 outpatient cases according to the flowchart for the Diagnosis and Treatment of 19 COVID Diseases of the Ministry of Health, Age between 18 and 65 years, Signing a Informed Consent Exclusion criteria Pregnancy, Breastfeeding, history of drug allergy, complications of bacterial infection, underlying diseases (heart disease, renal failure, liver failure, primary vascular and cardiovascular disease, chronic lung disease, malignancy, endocrine and metabolic diseases, thyroid disorders) Immune system defects, encephalopathy, neuropathy Intervention groups: suspected COVID-19 outpatient cases Main outcome variables: Improvement of clinical symptoms and hospitalizations